Home / 9,178,815.15-13,778,829.68-4,927,287.15

Finding the Fourth Proportional to 9,178,815.15, 13,778,829.68 and 4,927,287.15

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Solution

The fourth proportional to 9,178,815.15, 13,778,829.68 and 4,927,287.15 is: 7,396,624.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,815.15 : 13,778,829.68 = 4,927,287.15 : x
  2. Step 2: Convert to fraction form
    9,178,815.15/13,778,829.68 = 4,927,287.15/x
  3. Step 3: Cross multiply
    9,178,815.15x = 13,778,829.68 × 4,927,287.15
  4. Step 4: Simplify right side
    9,178,815.15x = 67,892,250,424,302.62
  5. Step 5: Solve for x
    x = 67,892,250,424,302.62/9,178,815.15
  6. Step 6: Final answer
    x = 7,396,624.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.